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A Fog radio access network is considered as a network architecture candidate to meet the soaring demand in terms of reliability, spectral efficiency, and latency in next generation wireless networks. This architecture combines the benefits…

信息论 · 计算机科学 2017-06-26 Jaber Kakar , Soheil Gherekhloo , Aydin Sezgin

An integrate-and-fire time-encoding-machine (IF-TEM) is an energy-efficient asynchronous sampler. Utilizing the IF-TEM sampler for bandlimited signals, we introduce designs for time encoding and decoding with analog compression prior to the…

信息论 · 计算机科学 2022-11-02 Saar Tarnopolsky , Hila Naaman , Yonina C. Eldar , Alejandro Cohen

In this work novel results concerning Network-on-Chip-based turbo decoder architectures are presented. Stemming from previous publications, this work concentrates first on improving the throughput by exploiting adaptive-bandwidth reduction…

硬件体系结构 · 计算机科学 2011-05-06 Maurizio Martina , Guido Masera

Polynomial multiplication is one of the fundamental operations in many applications, such as fully homomorphic encryption (FHE). However, the computational inefficiency stemming from polynomials with many large-bit coefficients poses a…

硬件体系结构 · 计算机科学 2024-10-08 Xiangchen Meng , Zijun Jiang , Yangdi Lyu

Reliable evaluation of protein structure predictions remains challenging, as metrics like pLDDT capture energetic stability but often miss subtle errors such as atomic clashes or conformational traps reflecting topological frustration…

Bitmap index is recognized as a promising candidate for online analytics processing systems, because it effectively supports not only parallel processing but also complex and multi-dimensional queries. However, bitmap index creation is a…

硬件体系结构 · 计算机科学 2018-04-24 Xuan-Thuan Nguyen , Trong-Thuc Hoang , Hong-Thu Nguyen , Katsumi Inoue , Cong-Kha Pham

This paper introduces a novel indexing and access method, called Feature- Based Adaptive Tolerance Tree (FATT), using wavelet transform is proposed to organize large image data sets efficiently and to support popular image access mechanisms…

多媒体 · 计算机科学 2010-04-09 Dr. P. AnandhaKumar , V. Balamurugan

True-time-delay (TTD) lines are recently applied inside Terahertz (THz) hybrid-precoding transceiver to acquire high beamforming gain against beam squint effect. However, beam tracking turns into a challenging puzzle where enormous…

信息论 · 计算机科学 2024-10-28 Xu Shi , Jintao Wang , Jian Song

In the field of digital signal processing, the fast Fourier transform (FFT) is a fundamental algorithm, with its processors being implemented using either the pipelined architecture, well-known for high-throughput applications but weak in…

硬件体系结构 · 计算机科学 2025-01-03 Fangyu Zhao , Chunhua Xiao , Zhiguo Wang , Xiaohua Du , Bo Dong

Coupling regular topologies with optimized routing algorithms is key in pushing the performance of interconnection networks of HPC systems. In this paper we present Dmodc, a fast deterministic routing algorithm for Parallel Generalized…

分布式、并行与集群计算 · 计算机科学 2022-11-23 John Gliksberg , Antoine Capra , Alexandre Louvet , Pedro Javier Garcia , Devan Sohier

The ubiquitous time-delay estimation (TDE) problem becomes nontrivial when sensors are non-co-located and communication between them is limited. Building on the recently proposed "extremum encoding" compression-estimation scheme, we address…

信号处理 · 电气工程与系统科学 2024-12-25 Amir Weiss , Yuval Kochman , Gregory W. Wornell

The choice of numerical integrator in approximating solutions to dynamic partial differential equations depends on the smallest time-scale of the problem at hand. Large-scale deformations in elastic solids contain both shear waves and bulk…

数值分析 · 数学 2025-02-21 Edward M. Terrell , Boyce E. Griffith

With the rapidly increasing number of deployed LTE femtocell base stations (FBS), energy consumption of femtocell networks has become a serious environmental issue. Therefore, energy-efficient protocols are needed to balance the trade-off…

网络与互联网体系结构 · 计算机科学 2015-08-07 Ying Wang , Xiangming Dai , Jason Min Wang , Brahim Bensaou

The Versatile Video Coding (VVC) standard has been finalized by Joint Video Exploration Team (JVET) in 2020. Compared to the High Efficiency Video Coding (HEVC) standard, VVC offers about 50% compression efficiency gain, in terms of…

图像与视频处理 · 电气工程与系统科学 2023-12-19 Yiqun Liu , Mohsen Abdoli , Thomas Guionnet , Christine Guillemot , Aline Roumy

The rapid adaptation of data driven AI models, such as deep learning inference, training, Vision Transformers (ViTs), and other HPC applications, drives a strong need for runtime precision configurable different non linear activation…

硬件体系结构 · 计算机科学 2026-02-12 Mukul Lokhande , Gopal Raut , Santosh Kumar Vishvakarma

This paper introduces FlexCodeTS, a new conditional density estimator for time series. FlexCodeTS is a flexible nonparametric conditional density estimator, which can be based on an arbitrary regression method. It is shown that FlexCodeTS…

统计方法学 · 统计学 2023-01-25 Gustavo Grivol , Rafael Izbicki , Alex A. Okuno , Rafael B. Stern

Faster-than-Nyquist non-orthogonal frequency-division multiplexing (FTN-NOFDM) is robust against the steep frequency roll-off by saving signal bandwidth. Among the FTN-NOFDM techniques, the non-orthogonal matrix precoding (NOM-p) based FTN…

信号处理 · 电气工程与系统科学 2023-12-07 Peiji Song , Zhouyi Hu , Yizhan Dai , Yuan Liu , Chao Gao , Chun-Kit Chan

We propose a novel approach for channel state information (CSI) compression in multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems, where the frequency-domain channel matrix is treated as a…

信号处理 · 电气工程与系统科学 2025-02-28 Bumsu Park , Heedong Do , Namyoon Lee

In this work, we construct energy-efficient variable-to-fixed length (V2F), fixed-to-variable length (F2V), and variable-to-variable length (V2V) prefix-free codes, which are optimal (or near-optimal) in the sense that no (or few) other…

信息论 · 计算机科学 2019-03-05 Junho Cho

Fast Fourier transform (FFT) of large number of samples requires huge hardware resources of field programmable gate arrays (FPGA), which needs more area and power. In this paper, we present an area efficient architecture of FFT processor…

硬件体系结构 · 计算机科学 2015-02-26 Atin Mukherjee , Amitabha Sinha , Debesh Choudhury